CN109238626A - A kind of cascade wind tunnel based on link mechanism turns window supporting device - Google Patents
A kind of cascade wind tunnel based on link mechanism turns window supporting device Download PDFInfo
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- CN109238626A CN109238626A CN201811390662.9A CN201811390662A CN109238626A CN 109238626 A CN109238626 A CN 109238626A CN 201811390662 A CN201811390662 A CN 201811390662A CN 109238626 A CN109238626 A CN 109238626A
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- window
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of cascade wind tunnels based on link mechanism to turn window supporting device, is formed by turning window, pedestal, supporting beam, axis and liner；Supporting beam is linked with window is turned, by axis pass through left/right rotation window circle center hole, the two sides for turning window be equipped with two pairs of supporting beams, one pair of them supporting beam be horizontal direction, another pair supporting beam be vertically to；Supporting beam one end is fixed by bolts on pedestal, and the other end is annulus.The gravity for turning window is undertaken by supporting beam, and the intensity, rigidity and rotation precision for turning window supporting mechanism can be improved；Reduce under the premise of not increasing manufacturing cost and turns frictional force between window and pedestal；Stable triangular support structures are formed between beam and pedestal supported on both sides, elimination turns all freedom degrees of the window in addition to rotating around axle center, so that the mechanism is not only suitable for horizontal experimental bench and be also applied for vertical type experimental platform；Supporting device production cost is low, and manufacturing process is simple, especially suitable for teaching cascade wind tunnel experimental bench.
Description
Technical field
The present invention relates to gas-turbine unit technical field of experiment equipment, specifically, being related to a kind of based on connecting rod knot
The cascade wind tunnel of structure turns window supporting device.
Background technique
Wind-tunnel is to be used for aerodynamic experimental facilities for generating, simulating air-flow.Wherein, cascade wind tunnel
The important experimental facilities for designing gas-turbine unit, for compressor and turbine design provide important experiment according to
According to.
The window that turns of cascade wind tunnel is the almost fan structure that a marginal belt has circular arc, needs to make rotating motion.Traditional leaf
Grid wind-tunnel turns window supporting device and is generally divided into two kinds: one is pedestal and turning that groove is arranged on window contact surface, will turn window and base
Groove cooperation on seat is to realize the axial fixation with radial direction；Another kind is to arrange one or more snippets arc guide rail on the base,
Then will turn window to be fixed on arc guide rail.
But both turn window supporting structure have it is clearly disadvantageous: in the first structure, pedestal can be generated by turning window
Biggish pressure makes the rotation for turning window become extremely difficult to generate biggish frictional force；Although and second of structure can
To control guide rail well and turn the frictional force between window, still, since arc guide rail is expensive, manufacturing cost can increase
Add, this is more difficult receiving for teaching cascade wind tunnel experimental facilities.In addition, real for horizontal plane cascade wind tunnel
Equipment is tested, which, which can only all eliminate, turns the downward freedom degree of window, if being changed to vertical by horizontal, two kinds of structures all can not
Play the role of supporting and fixing.
Summary of the invention
In order to avoid the shortcomings of the prior art, the present invention proposes that a kind of cascade wind tunnel based on link mechanism turns window branch
Hold mechanism；The supporting device simple process, gravity are undertaken by supporting beam, to reduce the frictional force between each another component；Mechanism experiment
Segment structure is not only suitable for horizontal experimental bench and is also applied for vertical type experimental platform, and production cost is low, especially suitable for teaching plane leaf
Grid wind tunnel experiment platform.
The technical solution adopted by the present invention to solve the technical problems is: including turning window, pedestal, the first supporting beam, second
Supporting beam, third supporting beam, the 4th supporting beam, axis, the first liner, the second liner, third liner, the 4th liner, feature exist
It is sector flat plate in the window that turns, the center point of two turns of windows is equipped with circle center hole and is connected with axis, sets respectively in the two sides of two turns of windows
There are two pairs of supporting beams, wherein the first supporting beam is horizontal direction with third supporting beam, and the second supporting beam, the 4th supporting beam are vertical
To；
The supporting beam is the round-meshed cuboid in one end, and supporting beam is mounted on an axle by bearing and is passed through circumferential uniformly distributed
Screw hole, bolt fix, the supporting beam other end and pedestal are connected by bolt, and beam supported on both sides and pedestal form triangle bearing
Structure, for eliminating all freedom degrees for turning window in addition to rotating around axle center；First supporting beam is located at the outside of pedestal, the second support
Beam is located at the outside of the first supporting beam, and the junction of every supporting beam and pedestal is equipped with liner；
First liner, the second liner, third liner and the 4th liner are the identical cuboid of structure, multiple liners point
It is not fixed between pedestal and supporting beam by bolt；
The pedestal is to be placed in two pieces of plates for turning side outside window, and be in identical axial position with window is turned, pedestal with turn
Window contact position is provided with groove to control the axial position for turning window.
The axis is with the symmetrical step axle construction in intermediate position both sides, and the length at intermediate position is equal to the axial direction of two turns of windows
Distance, the thickness of two turns of windows is equal to by the axial length of paraxial middle part position two sides, and connection is followed successively by thread segment, bearing placement section
Position, thread segment have nut cooperation for the fixed axial position for turning window and bearing at two on thread segment.
Beneficial effect
A kind of cascade wind tunnel based on link mechanism proposed by the present invention turns window supporting device, by turning window, pedestal, support
Beam, axis and liner composition；Supporting beam is linked with window is turned, and the center of circle of left/right rotation window is passed through by axis, is provided in the two sides for turning window
Two pairs of supporting beams, one pair of them supporting beam are horizontal direction, and another pair supporting beam is vertically to supporting beam one end is bolted
In on pedestal, the other end is annulus；The gravity for turning window is undertaken by four supporting beams, can be improved turn window supporting mechanism intensity, just
Degree and rotation precision；Reduce under the premise of not increasing manufacturing cost and turns frictional force between window and pedestal；Beam and base supported on both sides
Stable triangular support structures are formed between seat, all freedom degrees for turning window in addition to rotating around axle center is eliminated, makes the mechanism
It is not only suitable for horizontal experimental bench and is also applied for vertical type experimental platform；Supporting device production cost is low, and manufacturing process is simple, particularly suitable
In teaching cascade wind tunnel experimental bench.
Detailed description of the invention
Window supporting device is turned to a kind of cascade wind tunnel based on link mechanism of the present invention with embodiment with reference to the accompanying drawing
It is described in further detail.
Fig. 1 is to turn window supporting device schematic diagram the present invention is based on link mechanism.
Fig. 2 is to turn window supporting device left view the present invention is based on link mechanism.
Fig. 3 is to turn window supporting device top view the present invention is based on link mechanism.
Fig. 4 is the schematic diagram for turning axis between window of the invention.
In figure
1. the 4th supporting beam 7. of 2. pedestal of turn window, 3. first 4. second supporting beam of supporting beam, 5. third supporting beam 6.
9. second 10. thirds of liner liner of the liner of axis 8. first, 11. the 4th liner
A. the axial length section C. thread segment of the intermediate position B. axis centre position two sides of axis
D. bearing places position section E. thread segment
Specific embodiment
This embodiment is that a kind of cascade wind tunnel based on link mechanism turns window supporting device.
Refering to fig. 1~Fig. 4, this embodiment turn window supporting device based on the cascade wind tunnel of link mechanism, by turning window 1, base
Seat the 2, first supporting beam 3, the second supporting beam 4, third supporting beam 5, the 4th supporting beam 6, axis 7, first liner 8, second liner 9,
11 composition of the 10, the 4th liner of third liner；Wherein, turning window 1 is sector flat plate, and the center point of two turns of windows is equipped with circle center hole and axis 7
It is connected, is respectively equipped with two pairs of supporting beams in the two sides of two turns of windows, wherein the first supporting beam 3 is level with third supporting beam 5
To, the second supporting beam 4, the 4th supporting beam 6 be vertically to.In this embodiment, supporting beam is the round-meshed cuboid in one end, branch
Support beam is mounted on axis 7 by bearing and is fixed by circumferentially uniformly distributed screw hole, bolt, and the supporting beam other end passes through with pedestal 2
Bolt is connected, and beam supported on both sides and pedestal form triangular support structures, turns window owning in addition to rotating around axle center for eliminating
Freedom degree, the first supporting beam 3 are located at the outside of pedestal 2, and the second supporting beam 4 is located at the outside of the first supporting beam 3, every supporting beam
Liner is equipped with the junction of pedestal 2.
In this embodiment, first the 8, second liner 9 of liner, third liner 10 and the 4th liner 11 are the identical length of structure
Cube, multiple liners are fixed between pedestal 2 and supporting beam by bolt respectively.Pedestal be placed in turn outside window two pieces of side it is flat
Plate, and be in identical axial position with window is turned, pedestal and turns window contact position and is provided with groove to control the axial position for turning window.
Operating process
In this embodiment, it is inserted into an axis in the rotation center of left/right rotation window, axis 7 is symmetrical with intermediate position both sides
Step axle construction, the intermediate position A diameter of axis 7 are 14mm, length 100mm, and the length at intermediate position is equal to the axis of two turns of windows
To distance.It is equal to the thickness of two turns of windows by the axial length B section of paraxial 7 intermediate position two sides, B sections of diameters are 12mm, and length is
8mm；The diameter that bearing places position D sections is 10mm, length 16.5mm；There is nut to match on thread segment C and thread segment E to share
In the fixed axial position for turning window and bearing.
As shown in Figure 1, two supporting beams are respectively arranged in the outside of left/right rotation window, wherein the first supporting beam 3 is supported with third
5 horizontal direction of beam, the second supporting beam 4, the 4th supporting beam 6 vertically to.One end of supporting beam is fixed on pedestal 2 by three bolts,
It can withstand forces and torque, the other end are placed on axis 7, arrange a bearing therebetween.One end of two supporting beams connection bearing by
Four circumferentially uniformly distributed bolts are fixed, and in this case two beams and pedestal 2 can form stable triangular structure.Due to support
Beam the 1st is located at the outside of pedestal 2, and the second supporting beam 4 is located at the outside of the first supporting beam 3 again, so needing to support at every
The junction of beam and pedestal 2 needs to be arranged a liner, respectively first the 8, second liner 9 of liner, the 10, the 4th lining of third liner
Pad 11, liner are fixedly connected with the base by bolt.
It is to turn window 1 respectively from inside to outside on the basis of axis from spatial relation, liner, the second supporting beam the 4, the 4th
Supporting beam 6, the first supporting beam 3, third supporting beam 5.
Claims (2)
1. a kind of cascade wind tunnel based on link mechanism turns window supporting device, including turns window, pedestal, the first supporting beam, second
Support beam, third supporting beam, the 4th supporting beam, axis, the first liner, the second liner, third liner, the 4th liner, it is characterised in that:
The window that turns is sector flat plate, and the center point of two turns of windows is equipped with circle center hole and is connected with axis, is respectively equipped in the two sides of two turns of windows
Two pairs of supporting beams, wherein the first supporting beam and third supporting beam are horizontal direction, the second supporting beam, the 4th supporting beam be vertically to；
The supporting beam is the round-meshed cuboid in one end, and supporting beam is mounted on an axle by bearing and passes through circumferentially uniformly distributed spiral shell
Hole, bolt are fixed, and the supporting beam other end and pedestal are connected by bolt, and beam supported on both sides and pedestal form triangle bearing and tie
Structure, for eliminating all freedom degrees for turning window in addition to rotating around axle center；First supporting beam is located at the outside of pedestal, the second supporting beam
Positioned at the outside of the first supporting beam, the junction of every supporting beam and pedestal is equipped with liner；
First liner, the second liner, third liner and the 4th liner are the identical cuboid of structure, and multiple liners lead to respectively
Bolt is crossed to be fixed between pedestal and supporting beam；
The pedestal is to be placed in two pieces of plates for turning side outside window, and be in identical axial position with window is turned, and pedestal connects with window is turned
Synapsis is provided with groove to control the axial position for turning window.
2. the cascade wind tunnel according to claim 1 based on link mechanism turns window supporting device, it is characterised in that: the axis
For with the symmetrical step axle construction in intermediate position both sides, the length at intermediate position is equal to the axial distance of two turns of windows, in paraxial
Between position two sides axial length be equal to two turns of windows thickness, connection be followed successively by thread segment, bearing place position, thread segment,
There is nut cooperation for the fixed axial position for turning window and bearing at two on thread segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390662.9A CN109238626A (en) | 2018-11-21 | 2018-11-21 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390662.9A CN109238626A (en) | 2018-11-21 | 2018-11-21 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109238626A true CN109238626A (en) | 2019-01-18 |
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ID=65076193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811390662.9A Pending CN109238626A (en) | 2018-11-21 | 2018-11-21 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238626A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945504A (en) * | 2021-01-28 | 2021-06-11 | 泉州市中原盛辉地产代理有限公司 | Multi-section combined high-speed wind tunnel shock-absorbing mounting building base |
| CN116183158A (en) * | 2023-05-04 | 2023-05-30 | 中国空气动力研究与发展中心高速空气动力研究所 | Barrel-type rotary window driving mechanism for low-temperature environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190073A (en) * | 1997-02-03 | 1998-08-12 | 中国航空工业总公司第六二六研究所 | Quadruple cross-position support for semi-model wind channel test |
| JP2012107612A (en) * | 2010-10-22 | 2012-06-07 | Kitami Institute Of Technology | Wind tunnel body, vertical axis wind turbine, structure, wind power generator, hydraulic device, and building |
| JP2013007465A (en) * | 2011-06-27 | 2013-01-10 | Nabtesco Corp | Rotation support structure |
| CN108051177A (en) * | 2017-12-28 | 2018-05-18 | 西北工业大学 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
| CN208953234U (en) * | 2018-11-21 | 2019-06-07 | 西北工业大学 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
-
2018
- 2018-11-21 CN CN201811390662.9A patent/CN109238626A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190073A (en) * | 1997-02-03 | 1998-08-12 | 中国航空工业总公司第六二六研究所 | Quadruple cross-position support for semi-model wind channel test |
| JP2012107612A (en) * | 2010-10-22 | 2012-06-07 | Kitami Institute Of Technology | Wind tunnel body, vertical axis wind turbine, structure, wind power generator, hydraulic device, and building |
| JP2013007465A (en) * | 2011-06-27 | 2013-01-10 | Nabtesco Corp | Rotation support structure |
| CN108051177A (en) * | 2017-12-28 | 2018-05-18 | 西北工业大学 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
| CN208953234U (en) * | 2018-11-21 | 2019-06-07 | 西北工业大学 | A kind of cascade wind tunnel based on link mechanism turns window supporting device |
Non-Patent Citations (1)
| Title |
|---|
| 甘小明;韩洪伟;陈万华;鲍禄强;: "基于双导程蜗杆的风洞模型支撑机构设计", 机械工程师, no. 10 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945504A (en) * | 2021-01-28 | 2021-06-11 | 泉州市中原盛辉地产代理有限公司 | Multi-section combined high-speed wind tunnel shock-absorbing mounting building base |
| CN112945504B (en) * | 2021-01-28 | 2023-10-24 | 江苏圣达建设集团有限公司 | Multisection combined high-speed wind tunnel shock-absorbing installation building base |
| CN116183158A (en) * | 2023-05-04 | 2023-05-30 | 中国空气动力研究与发展中心高速空气动力研究所 | Barrel-type rotary window driving mechanism for low-temperature environment |
| CN116183158B (en) * | 2023-05-04 | 2023-06-30 | 中国空气动力研究与发展中心高速空气动力研究所 | Barrel-type rotary window driving mechanism for low-temperature environment |
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